You can easily copy items in the project management add-on section. This is a handy feature if you regularly have similar projects.
The copy will recreate all components of projects (lists, entries, checklists, etc.), excluding content items (comments, attachments, etc.). Note: The project structure is copied, not the content. This applies to copies of list entries.
To copy a project from the project list, right-click the project row and choose copy (or click the icon all the way to the right of the line):
Select copy, the system will ask you if you also want to copy the checklists in that project:
Click on the option you prefer and your project will be copied:
To copy a list or an entry in a project, click on the edit icon and select copy: